TM 9-2330-335-14&P
0071-2
0071
REMOVAL
00071
1.
Remove eight bolts (Figure 1, Item 1), washers (Figure 1, Item 24), and locknuts (Figure 1, Item 23) from
trunnion center support. Discard locknuts.
2.
Remove four hex bolts (Figure 1, Item 2) and hex nuts (Figure 1, Item 6) from two bottom brackets of trunnion center
support.
WARNING
The trunnion must be firmly supported with jack stands or floor jacks prior to performing steps 3
and 4. Failure to comply could result in injury to personnel and damage to equipment.
3.
Remove four hex nuts (Figure 1, Item 22), washers (Figure 1, Item 21), and top plate (Figure 1, Item 9) from two trunnion
U-bolts (Figure 1, Item 10) and separate lower trunnion hub (Figure 1, Item 20) from upper trunnion hub
(Figure 1, Item 18).
4.
Repeat step 3 on opposite side of semitrailer.
WARNING
The trunnion tube weighs 100 lb (45.4 kg) and requires two persons to lift. Failure to comply could
result in injury to personnel.
5.
Remove two washers (Figure 1, Item 3) and bushings (Figure 1, Item 19) from both sides of trunnion tube
(Figure 1, Item 4) and remove trunnion tube from suspension.
WARNING
The axles must be firmly supported with jack stands or floor jacks prior to performing steps 6
thru 10. Failure to comply may result in injury to personnel.
6.
Remove eight hex nuts (Figure 1, Item 6) and 16 washers (Figure 1, Item 5) from four U-bolts (Figure 1, Item 17) and
remove U-bolts from two spring cap ends (Figure 1, Item 12).
7.
Repeat step 6 on opposite side of semitrailer.
WARNING
Axles weighs 200 lb (90.7 kg) and require four persons to lift. Failure to comply could result in
injury to personnel.
8.
Remove eight bolts (Figure 1, Item 7), washers (Figure 1, Item 15), and locknuts (Figure 1, Item 16) from two spring cap
ends (Figure 1, Item 12). Discard locknuts.
9.
Remove two spring seats (Figure 1, Item 14), adjustment plates (Figure 1, Item 13), and four rubber pads
(Figure 1, Item 11) from spring (Figure 1, Item 8).
10. Repeat steps 8 and 9 on opposite side of semitrailer.